Not a diagram file (error on line 1 at column 1: Start tag expected, '<' not found)

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Gary Raney

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Jul 31, 2025, 2:32:28 PMJul 31
to draw.io Q&A
I opened a file, then got the message for an update. After installing the update, I got this message:

Not a diagram file (error on line 1 at column 1: Start tag expected, '<' not found)

Help?

draw.io Q&A

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Aug 1, 2025, 2:45:03 AMAug 1
to draw.io Q&A
Please attach the file.
Message has been deleted

draw.io Q&A

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Aug 1, 2025, 9:05:32 AMAug 1
to draw.io Q&A
Add ".pdf" to the end of the filename so it ends ".drawio.pdf". It's a PDF with the diagram embedded.

On Friday, 1 August 2025 at 14:02:53 UTC+1 ga...@garyraney.com wrote:
Thank you,

Gary Raney



------ Original Message ------
Date 8/1/2025 2:45:02 AM
Subject Re: Not a diagram file (error on line 1 at column 1: Start tag expected, '<' not found)

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Gary Raney

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Aug 13, 2025, 11:40:14 AMAug 13
to draw.io Q&A
My messages keep getting blocked -

Support said to add a pdf extension, but I need to edit the drawing first.  How, please?





------ Original Message ------
Date 8/1/2025 2:45:02 AM
Subject Re: Not a diagram file (error on line 1 at column 1: Start tag expected, '<' not found)

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clarjon1

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Aug 13, 2025, 12:10:41 PMAug 13
to Gary Raney, draw.io Q&A
in your file manager, rename the file so it ends in .pdf

if you're on windows, make sure that File Name Extensions is checked
in the View tab of Explorer

right click -> Rename, go to the end of the file name and pop .pdf at the end

Windows will whine about you doing it claiming it can make the file
"unusable" but click yes anyways

and then shazam, you can use the pdf as a pdf on windows
> To view this discussion, visit https://groups.google.com/d/msgid/drawio/em0eaebe68-4754-418c-b49d-a0760386fe89%404f4cac06.com.
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